igeo

Class IMatrix2

java.lang.Object

igeo.IMatrix

igeo.IMatrix2

All Implemented Interfaces:

IMatrix2I, IMatrix2Op, IMatrixI, IMatrixOp, IParameter, IVal

public class IMatrix2
extends IMatrix
implements IMatrix2I

Class of 2x2 numerical matrix.

Author:

Satoru Sugihara

Field Summary

Fields inherited from class igeo.IMatrix

columnNum, rowNum, val

Constructor Summary

Constructors

Constructor and Description
IMatrix2()
IMatrix2(double v11, double v12, double v21, double v22)
IMatrix2(IMatrix2 m)

Method Summary

Methods

Modifier and Type	Method and Description
IMatrix2	cp() alias of dup()
double	determinant()
static double	determinant(double v00, double v01, double v10, double v11)
IMatrix2	dup()
IMatrix2	get()
static IMatrix2	getRotation(double angle)
IMatrix2	invert()
IMatrix2	mul(IMatrix2 m) m is applied from right side and update the content of this without creating new instance.
IMatrix2	mul(IMatrix2I m)
IVec2	mul(IVec2 v) vector is treated as vertical vector
IVec2	mul(IVec2I v) vector is treated as vertical vector
IMatrix2	set(double v11, double v12, double v21, double v22)
IMatrix2	set(IDoubleI v11, IDoubleI v12, IDoubleI v21, IDoubleI v22)

Methods inherited from class igeo.IMatrix

add, add, columnNum, columnNum, columnNum, det, determinant, determinant, div, div, get, get, get, id, mul, mul, mul, mul, rowNum, rowNum, rowNum, set, set, set, set, set, set, setId, setRange, setZero, sub, sub, toArray, toArray, toString, zero

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface igeo.IMatrixI

add, columnNum, columnNum, columnNum, determinant, determinant, div, div, get, get, get, mul, mul, mul, rowNum, rowNum, rowNum, set, set, set, set, set, setId, setZero, sub

Constructor Detail

IMatrix2

public IMatrix2()

IMatrix2

public IMatrix2(double v11,
        double v12,
        double v21,
        double v22)

IMatrix2

public IMatrix2(IMatrix2 m)

Method Detail

get

public IMatrix2 get()

Specified by:

get in interface IMatrix2I

Specified by:

get in interface IMatrix2Op

Specified by:

get in interface IMatrixOp

Specified by:

get in interface IParameter

Overrides:

get in class IMatrix

set

public IMatrix2 set(double v11,
           double v12,
           double v21,
           double v22)

Specified by:

set in interface IMatrix2I

set

public IMatrix2 set(IDoubleI v11,
           IDoubleI v12,
           IDoubleI v21,
           IDoubleI v22)

Specified by:

set in interface IMatrix2I

dup

public IMatrix2 dup()

Specified by:

dup in interface IMatrix2I

Specified by:

dup in interface IMatrixI

Overrides:

dup in class IMatrix

cp

public IMatrix2 cp()

Description copied from interface: IMatrixI

alias of dup()

Specified by:

cp in interface IMatrix2I

Specified by:

cp in interface IMatrixI

Overrides:

cp in class IMatrix

determinant

public double determinant()

Specified by:

determinant in interface IMatrixI

Overrides:

determinant in class IMatrix

determinant

public static double determinant(double v00,
                 double v01,
                 double v10,
                 double v11)

invert

public IMatrix2 invert()

Specified by:

invert in interface IMatrixI

Overrides:

invert in class IMatrix

mul

public IMatrix2 mul(IMatrix2 m)

m is applied from right side and update the content of this without creating new instance. it returns itself.

mul

public IMatrix2 mul(IMatrix2I m)

Specified by:

mul in interface IMatrix2I

mul

public IVec2 mul(IVec2I v)

vector is treated as vertical vector

Specified by:

mul in interface IMatrix2I

mul

public IVec2 mul(IVec2 v)

vector is treated as vertical vector

getRotation

public static IMatrix2 getRotation(double angle)